package com.boang.abs;

/*
  @author: 13813
  @date: 2024/11/19 15:42
*/
//抽象类
public abstract class Graphic {
    //抽象方法
    public abstract int perimeter();
    //抽象方法
    public abstract int area();

    public int m1(){
        return 0;
    }
}
